PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 193-3288 DAMPER GROUP ON CERTAIN 3508 GENSET ENGINES.
Usage:
REBE1772-01
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| 27Mar2007 |
| (Revised 22May2007) |
U-118
A-100
D-100
O-107
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| Priority | PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 193-3288 DAMPER GROUP ON CERTAIN 3508 GENSET ENGINES. |
|
| 1205 | PI31237 |
|
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| NOTE: | This Program must be administered as soon as possible. When reporting the repair, use "PI31237" as the Part Number and "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description code. Exception: If the repair is done after failure, use "PI31237" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code. |
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| NOTE: | The information supplied in this service letter may not be valid after the termination date of this program. Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst. |
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| NOTE: | This Revised Service Letter replaces the March 27, 2007 Service Letter. Changes have been made to the Service Claims Allowance to adjust the maximum allowable labor expense. |
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COMPLETION DATE |
TERMINATION DATE |
| 30Sep2007 | 31Mar2008 |
PROBLEM
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| The 21" 193-3288 Damper Gp needs to be replaced on certain 3508 Genset Engines with the 23" 1463740/">146-3740 Damper Gp. The existing 21" damper does not effectively dampen the torsional vibrations on these genset packages. This could result in a damper thermal overload condition that would reduce it's dampening capability by degrading damper internal fluid. Some packages may also experience issues with v-belt retention at low hours. |
AFFECTED PRODUCT
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| Model | Identification Number |
| 3508 | CNF00677-00679, 683-691, 711-712, 717-726 ZAB00116-00118 |
| 3508B | CNB01487-01506, 1508-1510, 1515, 1518-1522, 1529-1531, 1538-1548, 1552-1565, 1567, 1571, 1578, 1580, 1584, 1597, 1609, 1614, 1619-1621, 1630, 1640-1642, 1652, 1662-1665, 1687-1688, 1690, 1696-1700, 1703-1705, 1707, 1711-1713, 1719, 1753-1755, 1757, 1760-1762 ZAD00114-00120, 122-131 |
PARTS NEEDED
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Qty |
Part Number | Description |
| 1 | 1N3482 | ADAPTER |
| 1 | 1463740 | DAMPER GP |
ACTION REQUIRED
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| This rework should be performed immediately. Allow time for the engine to cool before starting this rework. 1. Remove damper as outlined within the "Removal Procedure" in media number SENR6564. 2. Replace damper with the damper (part number 1463740/">146-3740), as outlined within the "Installation Procedure" within the same SENR6564 publication. |
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OWNER NOTIFICATION
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| U.S. and Canadian owners will receive the attached Owner Notification. |
SERVICE CLAIM ALLOWANCES
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| NOTE: This is a 20.0-hour job | |||||
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PARTS DISPOSITION
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| Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
| MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE. |
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| COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS XYZ Corporation 3240 Arrow Drive Anywhere, YZ 99999 PRIORITY - PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE 193-3288 DAMPER GROUP MODELS INVOLVED - CERTAIN 3508 AND 3508B GENSET ENGINES Dear Caterpillar Product Owner: A new 23" damper needs to be installed in place of the current 21" damper on the products listed below. You will not be charged for the service performed. Contact your local Caterpillar dealer immediately to schedule this service. The dealer will advise you of the time required to complete this service. Please refer the dealer to their Service Letter dated 27Mar2007 when scheduling this service. We regret the inconvenience this may cause you, but urge you to have this service performed as soon as possible to prevent unscheduled downtime. Caterpillar Inc. Identification #(s) Attached to 27Mar2007 Service Letter |
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| 1. Remove 193-3288 Damper Gp. as outlined within the "Removal Procedure" in media number SENR6564. Note: After removing the damper bolts from the unit check the bolts using the Reuse & Salvage Guide to ensure that the damper bolts taken out of the unit can be reused. Also reuse the 5P8250 washers for the damper reassembly. 2. Install 1463740/">146-3740 Damper Gp. as outlined within the "Installation Procedure" within the same SENR6564 publication. |
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